package enumerated;

//: enumerated/Reflection.java
// Analyzing enums using reflection.
import static net.mindview.util.Print.print;
import static net.mindview.util.Print.printnb;

import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.Set;
import java.util.TreeSet;

import net.mindview.util.OSExecute;

enum Explore {
	HERE, THERE
}

public class Reflection {
	public static Set<String> analyze(Class<?> enumClass) {
		print("----- Analyzing " + enumClass + " -----");
		print("Interfaces:");
		for (Type t : enumClass.getGenericInterfaces())
			print(t);
		print("Base: " + enumClass.getSuperclass());
		print("Methods: ");
		Set<String> methods = new TreeSet<String>();
		for (Method m : enumClass.getMethods())
			methods.add(m.getName());
		print(methods);
		return methods;
	}

	public static void main(String[] args) {
		Set<String> exploreMethods = analyze(Explore.class);
		Set<String> enumMethods = analyze(Enum.class);
		print("Explore.containsAll(Enum)? "
				+ exploreMethods.containsAll(enumMethods));
		printnb("Explore.removeAll(Enum): ");
		exploreMethods.removeAll(enumMethods);
		print(exploreMethods);
		// Decompile the code for the enum:
		OSExecute.command("javap Explore");
	}
} /*
 * Output: ----- Analyzing class Explore ----- Interfaces: Base: class
 * java.lang.Enum Methods: [compareTo, equals, getClass, getDeclaringClass,
 * hashCode, name, notify, notifyAll, ordinal, toString, valueOf, values, wait]
 * ----- Analyzing class java.lang.Enum ----- Interfaces:
 * java.lang.Comparable<E> interface java.io.Serializable Base: class
 * java.lang.Object Methods: [compareTo, equals, getClass, getDeclaringClass,
 * hashCode, name, notify, notifyAll, ordinal, toString, valueOf, wait]
 * Explore.containsAll(Enum)? true Explore.removeAll(Enum): [values] Compiled
 * from "Reflection.java" final class Explore extends java.lang.Enum{ public
 * static final Explore HERE; public static final Explore THERE; public static
 * final Explore[] values(); public static Explore valueOf(java.lang.String);
 * static {}; }
 */// :~
